Intel SG-81 - Manual (Page 37)

BIOS Setup 3-13
AGP Data Rate (Auto)
This item allows users to set the AGP Data Rate by, Auto, 1X, 2X, 4X, or 8X,
depending on what speed the AGP card supports.
Press to return to the Advanced Chipset Features page.
OnChip AGP Control
Scroll to this item and press to view the following screen:
VGA Share Memory Size (32M)
This item allows you to select the shared memory size for VGA usage.
Press to return to the Advanced Chipset Features screen.
System BIOS Cacheable (Disabled)
This feature is only valid when the system BIOS is shadowed. It enables or disables
the caching of the system BIOS ROM at F0000h-FFFFFh via the L2 cache. This
greatly speeds up accesses to the system BIOS.
Video RAM Cacheable (Disabled)
This feature enables or disables the caching of the video RAM at A0000h-AFFFFh
via the L2
cache.
User’s Manual